JVC AV-20320/S Service Manual page 31

CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAMS
C602
OPT
C604
OPT
IC601
OPT
MAIN PWB
C603
OPT
SFV-1077A-M2
(20320/ )
S
SFV-1083A-M2
(20321/ )
S
IC253
Y270 OPT
OPT EF251 C263
OPT OPT
IN OUT
R236
OPT
C258 C259 C260
C257 OPT OPT
OPT
OPT
R298
0 C267 OPT
L251
OPT
R234
C264 OPT
OPT Q273
R269
OPT
C265 R235 C266
OPT
OPT OPT OPT
Q274
OPT
L252 R260
R257 OPT OPT
R279 OPT
OPT R270
OPT
C269 C268
OPT OPT
R287
OPT
VC
N
Q276 C287
OPT
R289 OPT
OPT
R285
OPT
IC252
OPT
C277
OPT
COMP VIN
R293
OPT
C278
YOUT
VDD OPT
COUT VCOIN
C280
OPT
8.9V VSS PIN
5.1V C279
OPT
TEST2 TEST1
R244 R241 R238
R249
C284 OPT OPT OPT
OPT
EF252 OPT
OPT Q278
OPT Q280
C286
R248 R242 OPT
C283 OPT R237
OPT OPT
OPT Q279
OPT
OPT
R246
OPT R245
OPT
R250 R243
R239
OPT OPT
R247 OPT
C285
OPT CF251
OPT R240
OPT
OPT
MICOM
NOTE
QNN0348-001
*1 : 2SA1037AK/QR/-X 0R 2SB709A/QR/-X BW : BUS WIRE
*2 : 2SC2412K/QR/-X OR 2SD601A/QR/-X OPT : NON-MOUNT(OPEN)
*3 : DTA124EKA-X : SAFETY PARTS
*4 : DTC124EKA-X 0 : 0Ω RESISTOR
*5 : 1SS133-T2
: DIFFERENCE PARTS
*
*6 : MTZJ9.1C-T2
*7 : MTZJ5.6A-T2
*8 : RGP10J-5025-T3
*9 : 1SR35-400A-T2
! IC602 LA4446 AMP
0V 1.4V 2.3V 2.2V 9V
2.2V 2.2V 0V
2.2V
2.3V
N C622
C617
.47/50
CN00S 47/25
S
C616 N C623
Y601 MONO
.47/50 R619 47/25
OPT C618 C619
560 R620
100/16 470/16
560
R627 C620
100 0.1
R621
4.7
SP01
1/2W
A_GND
C625
470/16 C626
R614 OPT 0.1
A_VCC
R622
C614 4.7
1000/25
Y609 BW 1/2W
A_GND
C601
OPT R612
OPT
8.7V
Q602
R617 DTC323TK-X R625 D601
R613
3.3k 0V SWITCH
33k *5
OPT
R611
Q601 OPT R618
R626 C629
OPT
3.3k
OPT OPT D602
C611 *5
OPT
SP-ON/OFF
R615
R616
12K 12K
C628
OPT
R258
75
C252
10/50
VY
D252
*6
R271 R273
R272
1k OPT
1k
L271
OPT
C272
OPT
IC251 BA7612N GND
R351 C355
VIDEO SW
1.5k 15p CH
IC271
L351 22
OPT
C254 R354
D254
10/50 2.7k
*6 R352
1k
C352
68p CH
C356
TV/EXT
0.01
VTV
R653 R652
C664 R656 1.5k C662 C657
6.8k 6.8k
10/16 3.3/16 2.2/50
C663 1/50
TAN TAN
C655
R682 4.7/50 C653
47/25
68k
C656 C654
C660 0.1
1/50
4.2V 2.7V 3.9V 3.7V 4.8V1.2V 4.3V 4.8V 4.1V 4.2V3.1V 0.3V 4.8V 4.2V 4.2V 4.2V 4.2V 4.2V
dbx NR SAP DEMODULATION PILOT PHASE
DET DET
IC651 MTS
VARIABLE UPC1851BCU EXT2 EXT1 FIXED
IIC BUS LINE OUT TONE/SURROUND TV OUT IN IN LINE
2.2V 2.4V 4.3V 4.2V 4.2V 4.2V 4.2V
4.2V 4.2V 4.3V 4.2V 4.2V 4.3V 4.3V 4.3V
D659
4.2V
*6
R683 R684
560 560
SDA1 SCL1
R_OUT
L_OUT
D653
*6
D651
*6 D658
C691
OPT
D652 C686 C685 OPT
*6 10/50 10/50
R689
R672 OPT
R671
1K
1k
C688
0.0047
L R
V2
C670 C669
10/50 10/50
J003
QNN0349-001
R254
OPT
C
R256
VIDEO OPT
J004
J002
OPT
VIDEO
L
L
Y
R259
R 75
R
AUDIO
INPUT
REAR EXT
INPUT
No.51964
AV-20320 AV-20320
AV-20321 AV-20321
CEMN072-002 CEMN065-002 CEMN065-001
J007 J005
J006
J602
2
QNS0155-001
SP01
! 1
SP02
CEBSS09D-03KJ2 3
R261
R688 R687
X
1k 1k
C689
Y603 SP01 C690
10/50 R255
R628 OPT 10/50
EL2 75
270
L
D656
1/2W
1 D657
ER2 *6
R629 1/2W *6
270
R
Y604
OPT
SP02
S CN10S
STEREO
QQR0582-001Z
IC703 L78LR05E-MA
5V REG & RESET
A_MUTE
M37272MAH-501S
SPK
5.2V 5.5V
8.7V 6.5V
STB5V
C716
47/25 L702
C720
BW
47/25
C717
0.1
RESET
A_MUTE
C718 C719
0.01 47/25
STB5V
C276 OPT D276 OPT
R277 R276 1/50
R290
C274
OPT OPT 56k Q271
R265
3.6V *2
1K
7V
C273
2.9V
7V 1.7V 1.7V 2.8V 1.7V R263 BUFFER
OPT
100 Q261
Y273 2.2V
OPT R278 *1
1.5k
R291
47k
Vcc
2.9V 0.1V 0V 2.9V
R362 R366
OPT 56k
Q361
*2
2.3V
R363
R361 D361 Y274
OPT R367 R365
OPT
OPT OPT
33k 1.5k
0.8
Q132
*2
C651 0.01
BUFFER
R136 L131
820 22
TP-12B 0V
C255
C652 10/50
0V
100/16
R137
L133 L132 1.5k
0.1
OPT OPT
R138 R162
4.3V 820
C140 C139 CF131
OPT OPT
4.5MHZ
TRAP
CE41505-001
Q161
BUFFER
SIF
C167
GND
OUT 47p
MPX AFC
MPX CH
CNMPX
CW
CN0CW
COM
4.3V 4.3V 4V
R164
SOA Y170
X 3.3k
GND
C679
1/50 RTV
2.6V 2.6V
LTV
ER2
EL2
D655
*6 Y651
R172
X
OPT
DET
Y652 IC201
X
TA1242N
TUNER
! TU001 QAU0274-001
DECODER
CF001
QAX0349-001 C166
0V 47.25MHz 0.01
IF1 R163
4.7k
NC
IF2
C165
OPT
31.8V
BT
K001
T161
BW C005 IC001
SIF 4.5MHz
0.01 ATT
NC AN7805F
CELT003-109J3
5V QQR0582-001Z
5V C171
3.6V
K003 OPT
8.2V C003
C012 2.6V
BM 220/10
0.01 R004 R145 4.7k
RF AGC C134
0
2.2V
SDA1 4700p
SDA
C006 C013
C009 R003 0 QQLZ014-R22
2.4V 47/25 0.01
OPT SCL1
SCL
C004 10/50 Q101 R102 R104 L102
5.6k 100 0.22
2SC5083/L-P/-T
ADSEL 1/2W
IF AMP
4.6V C010 D003 D004
TU 7.2V
OPT
*6 *6
C002 D001
Q101
2.1V OPT 1.6V
MTZJ33B-T2 C102
AGC 0.9V
0.01
R106
27
L101 R101
OPT 82 C103
R105
R103
0.01 18
1.8k
C001 R146
10/50 5.6k
CF101
ANT INPUT FTP47.25MF
2-5 2-6
5V
D751
POWER VOL+ VOL- CH+
SLR-342VR3F
S756 S755 S754 S753
! RED
QSW0619-003Z QSW0619-003Z QSW0619-003Z QSW0619-003Z
D752
OPT R754
R758
10k
1.2k
R757 R762 R755 R756 R753
1.2K OPT 4.7k 15k 15k
IC702 ATC24C02-20320
R716
150k
R714
C711
470 C710
.47/50
680p
CF701
MEMORY
R729
CST8.00MTW
K701 15K R717
CERAMIC RESO.
56k
C705
C714
150p 4.8V 4.8V 4.8V
0.01
CH
Y701 OPT
4.8V
NC
0V 2V 2V 1.6V 0.4V 1.9V 4.7V 0.1V 4.6V 4.8V 0V 1.1V 4.8V 4.8V 4.8V 4.4V 4V
C735
IC701
4.7V 1.7V 2.1V 5.2V 4.8V 0V 4.7V 2.3V 4.8V 0V 3.2V 4.7V 3.4V 0V 0V 3.6V 3.6V 0V 0V
4.5V
L701
4.7
C730
C721
OPT
0.01
CF702
C722 C723
QAX0428-001
5p 5p
CH CH
C761
OPT
R761 D761
OPT OPT
IC102 45
IC102 47
0V
0.4
1.5
Q704
DTC323TK-X
SWITCH
C216
L201 R222
L163 BW
OPT OPT OPT
R142
100
Q202 *2
C138 BUFFER R220
OPT
47/25 2.3V
Q131 *2 Q201
R135 BUFFER C205 OPT
1.6V 7.2V
560
OPT 2.9V
CF161 4.5MHz C163
R204
SFSH4.5MCB 47p CH 2.3V
0
R252
OPT
R161 R205 Y201 Y205
C164 R134 R203
1k 1.5k OPT R213 0
47p 1k C251
OPT
CH 390
L162 OPT
1k Y202
39 C303 Y206 C212 C211
OPT 0.1 OPT
0.01 OPT
R253
QQL03BJ-390Z OPT
C207
L161 R212
QQL03BJ-680Z .47/50
10k
68
*2
R211
CF501
C161 100/16 C214 C209 CSB503F30
10/50 503KHz
1/50
C162
0.01 R503 C505 R507
OPT C504 10/50 56k
C168
OPT
OPT
R501
360
R505
8.2k
2.6V 0V 7.5V 1.3V 0V
4.6V 7.5V 8.5V 3.6V 8.6V1.6V 3V 4.3V 4.4V 4.4V 4.9V 3.1V3.2V 1.6V 3V 5.9V 7.4V 1.1V
H X IC102
OUT RAY
4.5
VCO BPF CLAMP H
RAMP
X2
AFT
BLACK 32fh
FM LIMI 90 3.58 SHARP AFC-1 AFC-2
VCO
STRETCH
TER TRAP
IC102
DC REF SMOOTH H
CONTRAST
C/D 4
Q I
DET DET Y-DL BRIGHT H
AGC SEPA
AGC LOCK
DET DET COLOR DEMOD WPL
SW V V
V SEPA C/D IC102
REF
KILLER TINT LPF MATRIX
4
IF AGC APC
V-RAMP
BUS I/F
VCXO ANALOGUE RGB CUT-OFF/DRIVE
1.9V 1.7V 8.8V 4.2V 5.9V 4.5V 0V 4.5V 4.5V 4.5V 3.1V 2.4V 2.3V 2.2V 0.7V 4.8V 5V 6.3V 8.8V 2.4V 2.2V
3.1V 4.3V
N N N
C133 R744
0
.47/50
D716
OPT
D715 OPT
C501
100/16
R512
C108
68p 1K
CH
R511
680
C101 D501
*6
0.01
D512
OPT
SF101 C307
CE42589-201 .47/50
D804
L104 MTZJ5.1B-T2
68
SAW FILTER
PIF GND
X301
QAX0310-001Z
3.58MHz
9V B R G T CN00T
CRT SOCKET PWB
No.51964
IC751
R751
MENU GP1UM281QK
CH- 10k
S752 S751
QSW0619-003Z QSW0619-003Z
RECEIVER
R759
100
R752 C751
4.7k 47/25
C752
R760 OPT
100
AC
R769
1K
ON/OFF
C724 R709 R724
PW
0.01 10k
1K 2.7V
C725 0V Q703 *2
220/10
R768 INVERTER
47K
NECK
R708 10k
D710
R704 OPT
10k
Q702 *2
4.4V
V.PULSE DRIVE R705
0.1V 82k
VP
0.01 C702
R706
0.0027
10k
C703
OPT
D702
OPT
4V
R701
0V 56k
C701 R702
OPT 10k
Q701 *2
H.PULSE DRIVE
STB18V
IC102 43 IC102 32 IC102 22
0.7 3 1
R218
1.8k
D201
*5
R206
C217
OPT
47/25
Q203 *2
R219
3.9V 1.2k
CONTROL ABL
C208
3.3V
10/50
D203 R209
470
*5
R208
D202
4.7k
*5
R210
3.9k
470
HD
R506 2.2k
HP
DEF_GND
Y582
OPT
X_RAY
D564
OPT
R502
1.5K
C502
10/50
C503
0.01
19 Q562
2SA933AS/QR/-T
OR 2SA1309A/QR/-T
SWITCH
C563
R567
0.01
3.9k
11.2V
20
R568 11V R566
22k 33k
D563
*5 11V
R565
0
21
0V
R564
15k
C562
4.7/50
Q561
2SC2785/JH/-T
SWITCH
H_VCC
VD
NFB
V_RAMP
H_VCC
A_VCC
A_GND
BT
CN00C
C
EXT
CONTROL